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[Reston, Va.?] : The Survey, 1997.
I 19.76: 97-434 |
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[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1996]
I 19.76: 96-60 |
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3.
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[Reston, Va.?] : The Survey ; [Denver, Colo. : Open-File Reports Section, distributor], 1994.
I 19.76: 94-421 |
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4.
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[Denver, Colo.?] : The Survey : [For sale by Open-File Reports Section, 1994]
I 19.76: 94-419 |
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5.
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Champaign, Ill. : Illinois State Geological Survey, [1989]
QE105 .I57a no. 23 QE696 |
Map It |
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6.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990.
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7.
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Rolla, Mo., Missouri Geological survey and water resources, 1945.
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8.
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9.
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Champaign, Ill. : Illinois State Geological Survey, 1981.
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10.
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Reston, VA : The Survey ; [Denver, Colo. : USGS Information Services], 1993.
I 19.76: 93-288 |
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